<!-- 自带翻译的文本控件 -->

<template>
	<view>
		<text>{{ showAfter ? afterTexts : texts }}</text>
		<text class="text-btn" @click.stop="net">{{ showAfter ? '查看原文' : '翻译' }}</text>
	</view>
</template>

<script>
const NETAPI = 'http://api.fanyi.baidu.com/api/trans/vip/translate';
export default {
	props: {
		texts: {
			type: String
		}
	},
	data() {
		return {
			showAfter: false,
			afterTexts: ''
		};
	},
	created() {
		this.net();
	},

	methods: {
		MD5(string) {
			function RotateLeft(lValue, iShiftBits) {
				return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));
			}

			function AddUnsigned(lX, lY) {
				var lX4, lY4, lX8, lY8, lResult;
				lX8 = lX & 0x80000000;
				lY8 = lY & 0x80000000;
				lX4 = lX & 0x40000000;
				lY4 = lY & 0x40000000;
				lResult = (lX & 0x3fffffff) + (lY & 0x3fffffff);
				if (lX4 & lY4) {
					return lResult ^ 0x80000000 ^ lX8 ^ lY8;
				}
				if (lX4 | lY4) {
					if (lResult & 0x40000000) {
						return lResult ^ 0xc0000000 ^ lX8 ^ lY8;
					} else {
						return lResult ^ 0x40000000 ^ lX8 ^ lY8;
					}
				} else {
					return lResult ^ lX8 ^ lY8;
				}
			}

			function F(x, y, z) {
				return (x & y) | (~x & z);
			}
			function G(x, y, z) {
				return (x & z) | (y & ~z);
			}
			function H(x, y, z) {
				return x ^ y ^ z;
			}
			function I(x, y, z) {
				return y ^ (x | ~z);
			}

			function FF(a, b, c, d, x, s, ac) {
				a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
				return AddUnsigned(RotateLeft(a, s), b);
			}

			function GG(a, b, c, d, x, s, ac) {
				a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
				return AddUnsigned(RotateLeft(a, s), b);
			}

			function HH(a, b, c, d, x, s, ac) {
				a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
				return AddUnsigned(RotateLeft(a, s), b);
			}

			function II(a, b, c, d, x, s, ac) {
				a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
				return AddUnsigned(RotateLeft(a, s), b);
			}

			function ConvertToWordArray(string) {
				var lWordCount;
				var lMessageLength = string.length;
				var lNumberOfWords_temp1 = lMessageLength + 8;
				var lNumberOfWords_temp2 =
					(lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64;
				var lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;
				var lWordArray = Array(lNumberOfWords - 1);
				var lBytePosition = 0;
				var lByteCount = 0;
				while (lByteCount < lMessageLength) {
					lWordCount = (lByteCount - (lByteCount % 4)) / 4;
					lBytePosition = (lByteCount % 4) * 8;
					lWordArray[lWordCount] =
						lWordArray[lWordCount] | (string.charCodeAt(lByteCount) << lBytePosition);
					lByteCount++;
				}
				lWordCount = (lByteCount - (lByteCount % 4)) / 4;
				lBytePosition = (lByteCount % 4) * 8;
				lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition);
				lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
				lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
				return lWordArray;
			}

			function WordToHex(lValue) {
				var WordToHexValue = '',
					WordToHexValue_temp = '',
					lByte,
					lCount;
				for (lCount = 0; lCount <= 3; lCount++) {
					lByte = (lValue >>> (lCount * 8)) & 255;
					WordToHexValue_temp = '0' + lByte.toString(16);
					WordToHexValue =
						WordToHexValue +
						WordToHexValue_temp.substr(WordToHexValue_temp.length - 2, 2);
				}
				return WordToHexValue;
			}

			function Utf8Encode(string) {
				string = string.replace(/\r\n/g, '\n');
				var utftext = '';

				for (var n = 0; n < string.length; n++) {
					var c = string.charCodeAt(n);

					if (c < 128) {
						utftext += String.fromCharCode(c);
					} else if (c > 127 && c < 2048) {
						utftext += String.fromCharCode((c >> 6) | 192);
						utftext += String.fromCharCode((c & 63) | 128);
					} else {
						utftext += String.fromCharCode((c >> 12) | 224);
						utftext += String.fromCharCode(((c >> 6) & 63) | 128);
						utftext += String.fromCharCode((c & 63) | 128);
					}
				}

				return utftext;
			}

			var x = Array();
			var k, AA, BB, CC, DD, a, b, c, d;
			var S11 = 7,
				S12 = 12,
				S13 = 17,
				S14 = 22;
			var S21 = 5,
				S22 = 9,
				S23 = 14,
				S24 = 20;
			var S31 = 4,
				S32 = 11,
				S33 = 16,
				S34 = 23;
			var S41 = 6,
				S42 = 10,
				S43 = 15,
				S44 = 21;

			string = Utf8Encode(string);

			x = ConvertToWordArray(string);

			a = 0x67452301;
			b = 0xefcdab89;
			c = 0x98badcfe;
			d = 0x10325476;

			for (k = 0; k < x.length; k += 16) {
				AA = a;
				BB = b;
				CC = c;
				DD = d;
				a = FF(a, b, c, d, x[k + 0], S11, 0xd76aa478);
				d = FF(d, a, b, c, x[k + 1], S12, 0xe8c7b756);
				c = FF(c, d, a, b, x[k + 2], S13, 0x242070db);
				b = FF(b, c, d, a, x[k + 3], S14, 0xc1bdceee);
				a = FF(a, b, c, d, x[k + 4], S11, 0xf57c0faf);
				d = FF(d, a, b, c, x[k + 5], S12, 0x4787c62a);
				c = FF(c, d, a, b, x[k + 6], S13, 0xa8304613);
				b = FF(b, c, d, a, x[k + 7], S14, 0xfd469501);
				a = FF(a, b, c, d, x[k + 8], S11, 0x698098d8);
				d = FF(d, a, b, c, x[k + 9], S12, 0x8b44f7af);
				c = FF(c, d, a, b, x[k + 10], S13, 0xffff5bb1);
				b = FF(b, c, d, a, x[k + 11], S14, 0x895cd7be);
				a = FF(a, b, c, d, x[k + 12], S11, 0x6b901122);
				d = FF(d, a, b, c, x[k + 13], S12, 0xfd987193);
				c = FF(c, d, a, b, x[k + 14], S13, 0xa679438e);
				b = FF(b, c, d, a, x[k + 15], S14, 0x49b40821);
				a = GG(a, b, c, d, x[k + 1], S21, 0xf61e2562);
				d = GG(d, a, b, c, x[k + 6], S22, 0xc040b340);
				c = GG(c, d, a, b, x[k + 11], S23, 0x265e5a51);
				b = GG(b, c, d, a, x[k + 0], S24, 0xe9b6c7aa);
				a = GG(a, b, c, d, x[k + 5], S21, 0xd62f105d);
				d = GG(d, a, b, c, x[k + 10], S22, 0x2441453);
				c = GG(c, d, a, b, x[k + 15], S23, 0xd8a1e681);
				b = GG(b, c, d, a, x[k + 4], S24, 0xe7d3fbc8);
				a = GG(a, b, c, d, x[k + 9], S21, 0x21e1cde6);
				d = GG(d, a, b, c, x[k + 14], S22, 0xc33707d6);
				c = GG(c, d, a, b, x[k + 3], S23, 0xf4d50d87);
				b = GG(b, c, d, a, x[k + 8], S24, 0x455a14ed);
				a = GG(a, b, c, d, x[k + 13], S21, 0xa9e3e905);
				d = GG(d, a, b, c, x[k + 2], S22, 0xfcefa3f8);
				c = GG(c, d, a, b, x[k + 7], S23, 0x676f02d9);
				b = GG(b, c, d, a, x[k + 12], S24, 0x8d2a4c8a);
				a = HH(a, b, c, d, x[k + 5], S31, 0xfffa3942);
				d = HH(d, a, b, c, x[k + 8], S32, 0x8771f681);
				c = HH(c, d, a, b, x[k + 11], S33, 0x6d9d6122);
				b = HH(b, c, d, a, x[k + 14], S34, 0xfde5380c);
				a = HH(a, b, c, d, x[k + 1], S31, 0xa4beea44);
				d = HH(d, a, b, c, x[k + 4], S32, 0x4bdecfa9);
				c = HH(c, d, a, b, x[k + 7], S33, 0xf6bb4b60);
				b = HH(b, c, d, a, x[k + 10], S34, 0xbebfbc70);
				a = HH(a, b, c, d, x[k + 13], S31, 0x289b7ec6);
				d = HH(d, a, b, c, x[k + 0], S32, 0xeaa127fa);
				c = HH(c, d, a, b, x[k + 3], S33, 0xd4ef3085);
				b = HH(b, c, d, a, x[k + 6], S34, 0x4881d05);
				a = HH(a, b, c, d, x[k + 9], S31, 0xd9d4d039);
				d = HH(d, a, b, c, x[k + 12], S32, 0xe6db99e5);
				c = HH(c, d, a, b, x[k + 15], S33, 0x1fa27cf8);
				b = HH(b, c, d, a, x[k + 2], S34, 0xc4ac5665);
				a = II(a, b, c, d, x[k + 0], S41, 0xf4292244);
				d = II(d, a, b, c, x[k + 7], S42, 0x432aff97);
				c = II(c, d, a, b, x[k + 14], S43, 0xab9423a7);
				b = II(b, c, d, a, x[k + 5], S44, 0xfc93a039);
				a = II(a, b, c, d, x[k + 12], S41, 0x655b59c3);
				d = II(d, a, b, c, x[k + 3], S42, 0x8f0ccc92);
				c = II(c, d, a, b, x[k + 10], S43, 0xffeff47d);
				b = II(b, c, d, a, x[k + 1], S44, 0x85845dd1);
				a = II(a, b, c, d, x[k + 8], S41, 0x6fa87e4f);
				d = II(d, a, b, c, x[k + 15], S42, 0xfe2ce6e0);
				c = II(c, d, a, b, x[k + 6], S43, 0xa3014314);
				b = II(b, c, d, a, x[k + 13], S44, 0x4e0811a1);
				a = II(a, b, c, d, x[k + 4], S41, 0xf7537e82);
				d = II(d, a, b, c, x[k + 11], S42, 0xbd3af235);
				c = II(c, d, a, b, x[k + 2], S43, 0x2ad7d2bb);
				b = II(b, c, d, a, x[k + 9], S44, 0xeb86d391);
				a = AddUnsigned(a, AA);
				b = AddUnsigned(b, BB);
				c = AddUnsigned(c, CC);
				d = AddUnsigned(d, DD);
			}

			var temp = WordToHex(a) + WordToHex(b) + WordToHex(c) + WordToHex(d);

			return temp.toLowerCase();
		},
		net() {
			let THIS = this;
			let q = '222222';
			let key = 'ol5t5Oz8lmJnvBFSdYdy';
			let salt = new Date().getTime();
			let appid = 20190220000269171;
			var str1 = appid + q + salt +key;
			let sign = this.MD5(str1);
			
			
			
			uni.request({
				url: NETAPI + `?q=${q}&from=auto&to=en&appid=${appid}&salt=${salt}&sign=${sign}`,
				method: 'GET',
				success: res => {
					console.info(res);
					THIS.showAfter = true;
				}
			});
		}
	}
};
</script>

<style lang="scss">
.text-btn {
	margin-left: 20upx;
	font-size: 20upx;
	opacity: 0.5;
}
</style>
